easyHash TableString 0 views
Count the Number of Special Characters I
You are given a string word.
You are given a string word. A letter is called special if it appears both in lowercase and uppercase in word.
Return the number of special letters in word.
Example 1
Input: word = "aaAbcBC"
Output: 3
Explanation: The special characters in word are 'a' , 'b' , and 'c' .
Example 2
Input: word = "abc"
Output: 0
Explanation: No character in word appears in uppercase.
Example 3
Input: word = "abBCab"
Output: 1
Explanation: The only special character in word is 'b' .
Constraints
- 1 <= word.length <= 50
- word consists of only lowercase and uppercase English letters.
Hints
Companies
No companies reported yet.
Discussion
Sign in to join the discussion.
Loading discussion...
Test results
No test cases yet.